.head-top{
    width: 100vw;
    height: 40px;
    background-color: #fff;
    display: flex;
   
}
.top{
    width: 30px;
    height: 30px;
    margin-left: 20px;
    margin-top: 5px;
}
.xx{
    margin-left: 140px;
    width: 30px;
    height: 30px;
    margin-top: 3px;
}